Table 1.

Subject Characteristics and Differences Between Congestive Heart Failure (CHF) and Hypertension Groups

Variables	CHF Group (n = 120)	Hypertension Group (n = 120)	Test	P < a
Men, %	65.8	51.7		.05*
Age, mean ± SD, y	59.70 ± 12.04	60.77 ± 10.84	t238 = −0.72	.47
Duration of illness, mean ± SD, y	6.47 ± 1.43	6.59 ± 1.53	t238 = −0.62	.54
No. of previous hospitalizations, mean ± SD	6.34 ± 1.67	1.79 ± 1.12	t208.04 = 24.75	.001**
HDRS17 score, mean ± SD	18.98 ± 3.63	9.90 ± 3.25
MADRS10 score, mean ± SD	15.73 ± 2.53	6.43 ± 3.61
HDRS16 score, mean ± SD	17.72 ± 3.55	9.90 ± 3.25
MADRS9 score, mean ± SD	13.87 ± 2.46	6.42 ± 3.70
Depression score, mean ± SDb	26.31 ± 3.98	13.59 0± 4.71	t238 = 22.59	.001**
HARS score, mean ± SD	14.08 ± 2.61	8.15 ± 2.80	t238 = 16.94	.001**
SF-36 (PCS) score, mean ± SD	41.06 ± 5.01	46.07 ± 7.23	t211.82 = −6.24	.001**
SF-36 (MCS) score, mean ± SD	52.44 ± 5.70	45.74 ± 5.11	t238 = 9.58	.001**
Satisfaction With Life Scale score, mean ± SD	18.86 ± 3.42	23.40 ± 2.36	t211.10 = −11.97	.001**
Suicide attempts, n (%)	6 (5.0)	2 (1.7)		.14
High-lethality suicide attempts, n (%)	6 (100.0)	0 (0)		.05
Suicidality factor score > 0, %c	99.2	14.2		.001**
HDRS suicidality, %
0	4.2	100.0
1	65.8	0.0
2	30.0	0.0
MADRS suicidal ideation, %
0	0.8	85.8
1	19.2	14.2
2	72.5	0.0
3	7.5	0.0

^aBenjamin-Hochberg correction for multiple testing (number of tests = 12).

^bDepressive factor = (0.833 HDRS₁₆) + (0.833 MADRS₉).

^cSuicidality factor = (0.907 HDRS item 3) + (0.907 MADRS item for suicidal ideation).

^*Significant at P < .05.

**Significant at P < .01.

Abbreviations: HARS = Hamilton Anxiety Rating Scale, HDRS = Hamilton Depression Rating Scale, MADRS = Montgomery-Asberg Depression Rating Scale, MCS = mental component score, PCS = physical component score, SF-36 = Medical Outcomes Study 36-item Short-Form Health Survey.